CN112172500A - Battery package mounting structure and vehicle - Google Patents
Battery package mounting structure and vehicle Download PDFInfo
- Publication number
- CN112172500A CN112172500A CN202011108796.4A CN202011108796A CN112172500A CN 112172500 A CN112172500 A CN 112172500A CN 202011108796 A CN202011108796 A CN 202011108796A CN 112172500 A CN112172500 A CN 112172500A
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- China
- Prior art keywords
- battery
- battery pack
- mounting structure
- frame
- pack mounting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/14—Trucks; Load vehicles, Busses
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery pack mounting structure and a vehicle, wherein the battery pack mounting structure comprises a frame and two battery lower cross beams, wherein the frame extends along the front-back direction and is provided with a lower mounting surface and two lateral surfaces positioned in the left-right direction; the two battery bottom end rails extend leftwards and rightwards and are fixed on the bottom mounting surface of the frame in parallel in the front-back direction, the end part of each battery bottom end rail extends to the corresponding side surface of the frame in a protruding mode, and the two battery bottom end rails are located on the upper surfaces of the two end parts of the same side of the frame to form mounting positions together for mounting battery packs. The battery pack mounting structure of the application is simple in design, can reduce cost and reduce the total weight of a battery system, and meanwhile enables a vehicle to obtain better overall torsion resistance.
Description
Technical Field
The invention relates to the technical field of vehicle assembly, in particular to a battery pack mounting structure and a vehicle.
Background
The battery packs are arranged on two sides of the frame in the prior art, and due to the fact that the total weight of the battery packs is heavy, the structural design of the battery pack fixing support on each side is complex in order to meet the overall torsion resistance of the frame, the total mass of a battery system is increased, and the EKG index of the whole vehicle cannot be met.
Disclosure of Invention
The invention mainly aims to provide a battery pack mounting structure, and aims to solve the problem that the total mass of a battery system is increased to meet the EKG index of a whole vehicle due to the fact that the structural design of a fixing support of a battery pack is complex in order to meet the integral torsion resistance of the vehicle frame.
In order to achieve the above object, the present invention discloses a battery pack mounting structure, comprising:
the frame extends along the front-back direction and is provided with a lower mounting surface and two lateral surfaces positioned in the left-right direction; and the number of the first and second groups,
two battery bottom end rails all extend along controlling to setting, two battery bottom end rails are fixed in side by side along the front and back direction the lower installation face of frame, each the tip of battery bottom end rail all extends to locating suddenly outside the corresponding side of frame, and two the battery bottom end rail is located the frame forms the installation position jointly with the upper surface of two tip with one side for install the battery package.
Optionally, through holes are formed in the upper surfaces of the two end portions of the lower battery beam at intervals, and bolt fasteners are arranged in the through holes and used for fixing the battery pack to the mounting position.
Optionally, the battery pack mounting structure further includes a lower beam connecting plate group, the lower beam connecting plate group includes two lower beam connecting plates respectively disposed at two sides of the frame, each of the lower beam connecting plates includes a connecting main plate extending in the left-right direction and a first connecting auxiliary plate connected to the connecting main plate and extending in the front-back direction, the connecting main plate is connected to one end of the battery lower beam, and the first connecting auxiliary plate is connected to the corresponding side surface of the frame.
Optionally, the lower beam connecting plate further includes a second connecting sub-plate connected to the first connecting sub-plate, and the second connecting sub-plate extends horizontally and is fixed to the upper surface of the lower beam of the battery.
Optionally, a line passing hole is formed on a side surface of the connection main board.
Optionally, the number of the lower beam connecting plate groups is two, and the two lower beam connecting plate groups are respectively mounted on the two lower battery beams.
Optionally, the battery pack mounting structure further comprises two lower supporting beams, wherein the two lower supporting beams extend forwards and backwards and are respectively mounted on the two ends of the lower battery beam located on the same side of the frame, and the upper surfaces of the lower supporting beams are flush with the upper surfaces of the lower battery beams and used for supporting the battery pack.
Optionally, the battery pack mounting structure further comprises a support seat, the support seat is mounted on two opposite side faces of the battery lower cross beam, and the upper surface of the support seat is flush with the upper surface of the battery lower cross beam and used for supporting the battery pack.
Optionally, the battery lower cross beam is integrally formed; and/or the presence of a gas in the gas,
the material of the lower battery beam is B510L.
The invention also discloses a vehicle which comprises a battery pack mounting structure, wherein the battery pack mounting structure comprises a frame and two battery lower cross beams, the frame extends along the front-back direction, and the frame is provided with a lower mounting surface and two lateral surfaces positioned in the left-right direction; the two battery bottom end rails extend leftwards and rightwards, the two battery bottom end rails are fixed on the lower mounting surface of the frame in parallel in the front-back direction, the end portion of each battery bottom end rail extends to the protruding portion and is arranged outside the corresponding side surface of the frame, and the two battery bottom end rails are located on the upper surfaces of the two end portions of the same side of the frame to form mounting positions together for mounting a battery pack.
According to the battery pack mounting structure disclosed by the technical scheme of the invention, the end parts of the two battery pack lower cross beams extend to the outside of the corresponding side surfaces of the frame to form two mounting positions on the two sides of the frame, and the two mounting positions are mutually balanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a battery pack mounting structure provided in the present invention;
FIG. 2 is a schematic structural view of a lower cross member of the battery in FIG. 1;
fig. 3 is a schematic structural view of the lower beam connecting plate in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Battery |
41 | |
| 1 | Vehicle frame | 42 | First connecting |
| 2 | Battery |
43 | Second connecting |
| 21 | Through |
44 | Wire through |
| 3 | Mounting position | 5 | |
| 4 | Lower |
6 | Supporting seat |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front, rear, outer and inner … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In order to meet the integral torsion resistance of the frame 1, the structural design of the fixing support of the battery pack is complex, so that the total mass of the battery system is increased and the EKG index of the whole vehicle cannot be met. In view of this, the present invention provides a battery pack mounting structure 100, and referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the battery pack mounting structure 100 provided in the present invention. The battery pack mounting structure 100 includes a vehicle frame 1 and two battery lower cross members 2. The frame 1 extends in the front-rear direction and has a lower mounting surface and two side surfaces located in the left-right direction. Two battery bottom end rails 2 all extend the setting to about following to being fixed in the lower installation face of frame 1 side by side along the front and back, the tip of each battery bottom end rail 2 all extends to and locates suddenly outside the corresponding side of frame 1, and two battery bottom end rails 2 lie in the frame 1 and form installation position 3 with the upper surface of two tip with one side jointly for the installation battery package.
According to the battery pack mounting structure 100 disclosed by the technical scheme of the invention, the end parts of the two battery pack lower cross beams extend to the outside of the corresponding side surfaces of the frame 1, so that the two mounting positions 3 are formed on the two sides of the frame 1, the two mounting positions 3 are mutually balanced, when one battery pack drives the battery lower cross beam 2 to rotate, the battery pack positioned on the other side of the frame 1 is fixed on the battery lower cross beam 2, and the battery lower cross beam 2 can be prevented from rotating, so that the battery pack mounting structure 100 can enable a vehicle to obtain better integral torsion resistance on the basis of simplifying design, reducing cost and lightening total weight of a battery system.
Fig. 2 is a schematic structural diagram of the lower battery beam 2 in this embodiment, and referring to fig. 2, through holes 21 are provided at intervals on the upper surfaces of two end portions of the lower battery beam 2, and bolt fasteners are provided in the through holes 21 for fixing the battery pack to the mounting position 3. Specifically, the through hole 21 is an elongated hole to meet the installation requirements of battery packs having different sizes in the front-rear direction.
Further, the battery lower cross member 2 is integrally formed to improve the strength thereof. Specifically, the battery lower beam 2 is a sheet metal mold part and is molded at one time through the sheet metal mold. The material of the battery lower beam 2 is preferably B510L, and the battery lower beam has high strength and good weldability.
For satisfying battery package installation demand from top to bottom, battery bottom end rail 2 of this embodiment is several types of characters, and wherein, the lower installation face of frame 1 is located through the bolt fastening piece subsides to the middle section upper surface of battery bottom end rail 2, and both ends are bilateral symmetry and set up for the battery package is installed to the symmetry, prevents that frame 1 both sides atress is uneven, leads to unstable structure, intensity to reduce. The lower cross beam 2 of the battery with the shape like a Chinese character 'ji' can adjust the vertical installation height of the battery pack so as to adapt to the assembly requirement of the vehicle body.
For improving battery bottom end rail 2 installation stability, this battery package mounting structure 100 still includes bottom end rail connecting plate group, two bottom end rail connecting plates 4 of frame 1 both sides are located including the branch to bottom end rail connecting plate group, each bottom end rail connecting plate 4 all includes along controlling to the connection mainboard 41 that extends, and connect in connecting mainboard 41 and along the first connection subplate 42 of front and back to extending, connect mainboard 41 and connect in the one end of battery bottom end rail 2, first connection subplate 42 is connected in the corresponding side of frame 1. This bottom end rail connecting plate group is connected the both ends of battery bottom end rail 2 respectively with the corresponding side of frame 1, has increased the connection of battery bottom end rail 2 and frame 1, has improved installation stability, the firm nature of battery bottom end rail 2, improves battery system's bulk strength.
Further, the lower beam connection plate 4 further includes a second connection sub-plate 43 connected to the first connection sub-plate 42, and the second connection sub-plate 43 is provided to extend in the horizontal direction and fixed to the upper surface of the battery lower beam 2. The connection area of the lower beam connecting plate 4 and the battery lower beam 2 is increased, so that the connection between the lower beam connecting plate 4 and the battery lower beam 2 is more stable and firm, and the connection between the battery lower beam 2 and the frame 1 is more stable and firm.
It should be noted that the specific structure of the lower beam connecting plate 4 is not limited in the present invention, as long as the above connection relationship is satisfied. Fig. 3 is a schematic structural view of the lower beam connecting plate 4 in this embodiment. Referring to fig. 3, in the present embodiment, the first connecting sub-plate 42 extends from one end of the connecting main plate 41 close to the frame 1 toward the opposite inner sides of the two lower battery beams 2, and the second connecting sub-plate 43 extends from the lower end of the first connecting sub-plate 42 toward one side close to the frame 1, so that the lower beam connecting plate 4 has a stable and firm structure, and is simple in design and capable of reducing the total weight of the battery system. Further, the connecting main board 41 is arranged in a triangular shape, and the lower end of the connecting main board 41 is connected to the side surfaces of the two lower battery beams 2 which are deviated from each other through fasteners. The triangular main connecting plate is stable in structure and high in strength.
In addition, a wire passing hole 44 is formed on the side surface of the connection main board 41 for the wire harness of the battery pack to pass through, so as to play a role in restraining the wiring and reducing the weight.
Preferably, the number of the lower beam connecting plate groups is two, and the two lower beam connecting plate groups are respectively mounted on the two battery lower beams 2, so as to further improve the stability and firmness of the battery pack mounting structure 100.
In the prior art, the fixing position of the battery pack is a fixing mode of the front end and the rear end, the middle of the battery pack is in a suspended state, and the overall strength of the battery system is poor. In view of this, the present embodiment further includes two lower support beams 5, the two lower support beams 5 extend in the front-back direction and are respectively mounted on two ends of the two lower battery cross beams 2 located on the same side of the frame 1, and the upper surfaces of the lower support beams 5 are flush with the upper surface of the lower battery cross beam 2 for supporting the battery pack. The contact area between the lower supporting beam 5 and the battery pack is increased, the battery pack is prevented from being suspended, and the overall strength of the battery system is improved. In addition, due to the long cantilever of the lower cell beam 2 structure, the front-back alignment accuracy of the through holes 21 on the two lower cell beams 2 is poor, which increases the assembly difficulty. The lower supporting beam 5 connects the two battery lower cross beams 2, so that the two battery lower cross beams 2 are prevented from moving relatively, the front-back alignment precision of the through holes 21 on the two battery lower cross beams 2 is improved, and the assembly is convenient.
Further, the battery pack mounting structure 100 further includes a support seat 6, the support seat 6 is mounted on the opposite side surfaces of the two battery lower beams 2, and the upper surface is flush with the upper surface of the battery lower beam 2 for supporting the battery pack. Specifically, referring to fig. 2, the support base 6 includes a support plate and a triangular connecting rib, the support plate is L-shaped and includes a horizontal portion and a vertical portion, wherein an upper surface of the horizontal portion is used for supporting the battery pack, and the vertical portion is used for being bolted or welded to the battery bottom end rail 2. The triangle-shaped splice bar is installed in the side of backup pad, and two straight flanges of triangle-shaped splice bar are connected respectively in the horizontal part and the vertical portion of backup pad for improve the stability of supporting seat 6.
In addition, the support base 6 is also used for connecting the battery lower cross beam 2 and the lower support beam 5. Specifically, referring to fig. 1 and 2, the vertical portion of the support plate is welded to the lower cross member 2 of the battery, and the horizontal portion is connected to the lower support beam 5 using a bolt fastener. The supporting seat 6 is used for supporting the battery pack and is used for connecting the battery lower cross beam 2 and the lower supporting beam 5 as a connecting piece, and the universality of the supporting seat 6 is improved.
The present invention also proposes a vehicle that includes a battery pack mounting structure 100. The specific structure of the battery pack mounting structure 100 refers to the above embodiments, and since the battery pack mounting structure 100 uses all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A battery pack mounting structure, comprising:
the frame extends along the front-back direction and is provided with a lower mounting surface and two lateral surfaces positioned in the left-right direction; and the number of the first and second groups,
two battery bottom end rails all extend along controlling to setting, two battery bottom end rails are fixed in side by side along the front and back direction the lower installation face of frame, each the tip of battery bottom end rail all extends to locating suddenly outside the corresponding side of frame, and two the battery bottom end rail is located the frame forms the installation position jointly with the upper surface of two tip with one side for install the battery package.
2. The battery pack mounting structure according to claim 1, wherein through holes are provided at intervals on upper surfaces of both end portions of the battery lower cross member, and bolt fasteners are provided in the through holes to fix the battery pack to the mounting position.
3. The battery pack mounting structure according to claim 1, wherein the battery pack mounting structure further comprises a lower cross member connecting plate group including two lower cross member connecting plates respectively provided on both sides of the vehicle frame, each of the lower cross member connecting plates including a connecting main plate extending in a left-right direction, and a first connecting sub-plate connected to the connecting main plate and extending in a front-rear direction, the connecting main plate being connected to one end of the battery lower cross member, the first connecting sub-plate being connected to a corresponding side surface of the vehicle frame.
4. The battery pack mounting structure according to claim 3, wherein the lower cross member connecting plate further comprises a second connecting sub-plate connected to the first connecting sub-plate, the second connecting sub-plate extending horizontally and being fixed to an upper surface of the battery lower cross member.
5. The battery pack mounting structure according to claim 3, wherein a wire passing hole is formed on a side surface of the connection main board.
6. The battery pack mounting structure according to claim 3, wherein the number of the lower beam connecting plate groups is two, and two of the lower beam connecting plate groups are mounted on the two lower battery beams, respectively.
7. The battery pack mounting structure according to claim 1, wherein the battery pack mounting structure further comprises two lower support beams extending in the front-rear direction and respectively mounted on two ends of the two lower battery cross members located on the same side of the frame, and an upper surface of the lower support beam is flush with an upper surface of the lower battery cross member to support the battery pack.
8. The battery pack mounting structure of claim 1, further comprising a support base mounted on opposing inner sides of the two lower battery beams, and an upper surface disposed flush with an upper surface of the lower battery beam for supporting the battery pack.
9. The battery pack mounting structure according to claim 1, wherein the battery lower cross member is integrally formed; and/or the presence of a gas in the gas,
the material of the lower battery beam is B510L.
10. A vehicle characterized by comprising the battery pack mounting structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108796.4A CN112172500B (en) | 2020-10-14 | 2020-10-14 | Battery package mounting structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108796.4A CN112172500B (en) | 2020-10-14 | 2020-10-14 | Battery package mounting structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112172500A true CN112172500A (en) | 2021-01-05 |
| CN112172500B CN112172500B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011108796.4A Active CN112172500B (en) | 2020-10-14 | 2020-10-14 | Battery package mounting structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112172500B (en) |
Cited By (4)
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| CN113071303A (en) * | 2021-03-26 | 2021-07-06 | 安徽江淮汽车集团股份有限公司 | Battery package fixed knot constructs and new energy automobile |
| CN113733885A (en) * | 2021-08-30 | 2021-12-03 | 三一汽车制造有限公司 | Electric vehicle chassis and electric vehicle |
| IT202100016172A1 (en) * | 2021-06-21 | 2022-12-21 | Iveco Spa | IMPROVED SUSPENDED SUPPORT STRUCTURE FOR A HEAVY DUTY VEHICLE |
| EP4257454A1 (en) * | 2022-04-04 | 2023-10-11 | DAF Trucks N.V. | Road vehicle with battery mounting arrangement |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112172500B (en) | 2022-03-08 |
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